French startup Syntony takes geolocation underground

PARIS (Reuters) - French startup Syntony, which has designed systems to locate mobile phones in tunnels and subways, is raising 10 million euros ($11.6 million) to fund its international expansion.

Syntony, whose SubWave geolocation system already operates in the subways of Stockholm and Helsinki, is in talks with several other cities including New York, Paris, Toronto, Seattle, Montreal and Los Angeles.